Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,916 questions · 3,207 findings · 167 reviews · related questions CL0289

No studies found 596 · 18.6%GRADE not reported 1,666 · 51.9%Very low 603 · 18.8%Low 252 · 7.9%Moderate 78 · 2.4%High 12 · 0.4%

Hyperfractionated radiotherapy vs Conventional (standard) fractionation radiotherapy

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) vs conventional dose RT

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in locoregional control compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

Ketoconazole vs placebo

Mycological: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Ketoconazole (absorbed from GI tract) showed no clear difference in mycological: eradication of oral candidiasis compared with placebo; GRADE not reported.

1 finding from 1 review

Immediate implants (placed in a fresh extraction socket just after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Prosthesis failure · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate implants (placed in a fresh extraction socket just after… showed no clear difference in prosthesis failure compared with delayed implants (placed at least 2 months after extraction, in…; GRADE not reported.

1 finding from 1 review

Resorbable barrier (guided bone regeneration) vs Non-resorbable barrier (guided bone regeneration)

Vertical bone gain · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Resorbable barrier (guided bone regeneration) showed no clear difference in bone gain (vertical - VDH) compared with non-resorbable barrier (guided bone regeneration); GRADE not reported.

1 finding from 1 review

Oral cyclobenzaprine (muscle relaxant) vs placebo

Jaw pain (VAS) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral cyclobenzaprine (muscle relaxant) showed no clear difference in jaw pain (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Higher total dose radiotherapy (76.8 Gy over 6.4 weeks) vs conventional dose RT

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Higher total dose radiotherapy (76.8 Gy over 6.4 weeks) showed no clear difference in total mortality compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

Clotrimazole (partially absorbed from GI tract) vs placebo

Clinical: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Clotrimazole (partially absorbed from GI tract) showed no clear difference in clinical: eradication of oral candidiasis compared with placebo; GRADE not reported.

1 finding from 1 review

Oral propranolol vs placebo

Reduction in pain intensity · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral propranolol (beta-blocker) led to lower reduction in pain intensity (percentage of patients responding) compared with placebo; GRADE not reported.

2 findings from 1 review

Resorbable barrier (guided bone regeneration) vs Resorbable barrier + particulate autogenous bone

Vertical bone gain · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Resorbable barrier (guided bone regeneration) showed no clear difference in bone gain (vertical - VDH) compared with resorbable barrier + autogenous bone; GRADE not reported.

1 finding from 1 review

Hyperfractionated/accelerated/split-course radiotherapy vs Conventional (standard) fractionation radiotherapy

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Hyperfractionated/accelerated/split-course radiotherapy showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

1 finding from 1 review

Resorbable barrier (guided bone regeneration) vs Resorbable barrier + particulate autogenous bone

Bone gain (horizontal - HDD) · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Resorbable barrier (guided bone regeneration) showed no clear difference in bone gain (horizontal - HDD) compared with resorbable barrier + autogenous bone; GRADE not reported.

1 finding from 1 review

Referral to specialist agencies for support in relation to domestic violence vs Different intervention programme

Severity of injury by self report · Adults (16 years of age and older) who present to any healthcare setting with dental or facial injury

The review found no eligible studies for this question.

1 finding from 1 review

Therapist support (visits) vs control (e.g. usual activities)

Average pain scores (0-100 VAS) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Therapist support (visits) showed no clear difference in average pain scores (0-100 VAS) compared with control (treatment as usual); GRADE not reported.

1 finding from 1 review

Orthodontic treatment with appliances inducing stable, permanent orthodontic tooth movement (splints worn 8 to 12 weeks and surgical interventions excluded) vs Control: no treatment, placebo, or reassurance

Limitation of movement · Adults aged 18 years or older with clinically diagnosed TMD (exhibiting two or more of the listed signs and/or symptoms)

The review found no eligible studies for this question.

1 finding from 1 review

Fluconazole (absorbed from GI tract) vs Itraconazole

Mycological: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Fluconazole (absorbed from GI tract) led to higher mycological: eradication of oral candidiasis compared with itraconazole (absorbed from GI tract); GRADE not reported.

1 finding from 1 review

Resorbable barrier (guided bone regeneration) vs Resorbable barrier + particulate autogenous bone

Major complications at the implant/donor site · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Resorbable barrier (guided bone regeneration) led to lower major complications at the implant/donor site compared with resorbable barrier + autogenous bone; GRADE not reported.

1 finding from 1 review

Immediate-delayed implants (placed within 8 weeks after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Aesthetics assessed by dentist: interproximal papilla dimension · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate-delayed implants (placed within 8 weeks after tooth… led to lower aesthetics assessed by dentist: interproximal papilla dimension compared with delayed implants (placed at least 2 months after extraction); GRADE not reported.

1 finding from 1 review